workflows,scripts: migrate to use GITHUB_OUTPUT

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

scripts/check-if-release.js

@@ -28,6 +28,7 @@ const { execFile: execFileCb } = require('child_process');
 const { resolve: resolvePath } = require('path');
 const { promises: fs } = require('fs');
 const { promisify } = require('util');
+const { EOL } = require('os');
 
 const parentRef = process.env.COMMIT_SHA_BEFORE || 'HEAD^';
 
@@ -53,6 +54,10 @@ async function runPlain(cmd, ...args) {
 async function main() {
   process.cwd(resolvePath(__dirname, '..'));
 
+  if (!process.env.GITHUB_OUTPUT) {
+    throw new Error('GITHUB_OUTPUT environment variable not set');
+  }
+
   const diff = await runPlain(
     'git',
     'diff',
@@ -103,7 +108,7 @@ async function main() {
 
   if (newVersions.length === 0) {
     console.log('No package version bumps detected, no release needed');
-    console.log(`::set-output name=needs_release::false`);
+    await fs.appendFile(process.env.GITHUB_OUTPUT, `needs_release=false${EOL}`);
     return;
   }
 
@@ -114,7 +119,7 @@ async function main() {
       `  ${name.padEnd(maxLength, ' ')} ${oldVersion} to ${newVersion}`,
     );
   }
-  console.log(`::set-output name=needs_release::true`);
+  await fs.appendFile(process.env.GITHUB_OUTPUT, `needs_release=true${EOL}`);
 }
 
 main().catch(error => {